<!DOCTYPE html>
<html xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8">
    <title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.3/velocity.min.js"></script>
</head>
<body>
<div id="databinding">
    <button v-on:click="show = !show">点我</button>
    <transition
            v-on:before-enter="beforeEnter"
            v-on:enter="enter"
            v-on:leave="leave"
            v-bind:css="false"
    >
        <p v-if="show">菜鸟教程 -- 学的不仅是技术，更是梦想！！！</p>
    </transition>
</div>
<script type="text/javascript">
    new Vue({
        el: '#databinding',
        data: {
            show: false
        },
        methods: {
            beforeEnter: function (el) {
                el.style.opacity = 0
                el.style.transformOrigin = 'left'
            },
            enter: function (el, done) {
                Velocity(el, {opacity: 1, fontSize: '1.4em'}, {duration: 300})
                Velocity(el, {fontSize: '1em'}, {complete: done})
            },
            leave: function (el, done) {
                Velocity(el, {translateX: '15px', rotateZ: '50deg'}, {duration: 600})
                Velocity(el, {rotateZ: '100deg'}, {loop: 2})
                Velocity(el, {
                    rotateZ: '45deg',
                    translateY: '30px',
                    translateX: '30px',
                    opacity: 0
                }, {complete: done})
            }
        }
    })
</script>
</body>
</html>